AIPMT PRELIMS2010Chemistry-Oxidation States

AIPMT PRELIMS 2010 Chemistry Phosphorus Compounds MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Oxidation states of phosphorus in H₄P₂O₅, H₄P₂O₆ and H₄P₂O₇ are respectively

A

+3, +4, +5

B

+3, +5, +4

C

+5, +3, +4

D

+5, +4, +3

Correct Answer

Option A

Detailed Explanation

In H₄P₂O₅, the oxidation state of P is +3. In H₄P₂O₆, it is +4, and in H₄P₂O₇, it is +5. This is determined by balancing the oxidation states of all atoms in each compound.

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